python Programming Glossary: itertools.chain.from_iterable

Python idiom to chain (flatten) an infinite iterable of finite iterables?

http://stackoverflow.com/questions/120886/python-idiom-to-chain-flatten-an-infinite-iterable-of-finite-iterables

http://stackoverflow.com/questions/13613336/python-concatenate-text-files

with open 'path to output file' 'w' as outfile for line in itertools.chain.from_iterable itertools.imap open filnames outfile.write line Sadly this last..

Factory method for python object - best practice

http://stackoverflow.com/questions/14992474/factory-method-for-python-object-best-practice

constructor 𤴆here are examples all over the stdlib code itertools.chain.from_iterable datetime.datetime.fromordinal etc. A function is the idiomatic..

Python How to I check if last element has been reached in iterator tool chain?

http://stackoverflow.com/questions/2058894/python-how-to-i-check-if-last-element-has-been-reached-in-iterator-tool-chain

has been reached in iterator tool chain for elt in itertools.chain.from_iterable node if elt is the last element do statement How do I achieve.. if we haven't use elt before but just in case for elt in itertools.chain.from_iterable node do_stuff_to_each elt try do_stuff_to_last elt except NameError..

Flattening a shallow list in Python

http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python

operator magic by using chain.from_iterable like so chain itertools.chain.from_iterable 1 2 3 5 89 6 print list chain 1 2 3 5 89 6 python list comprehension.. original with the temporary. Edit As J.F. Sebastian says itertools.chain.from_iterable avoids the unpacking and you should use that to avoid magic..

foggy on asterisk in python

http://stackoverflow.com/questions/5239856/foggy-on-asterisk-in-python